diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index eb95670..0f74beb 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -3032,6 +3032,10 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr)
 	    attr->ia_valid & ATTR_SIZE && attr->ia_size < inode->i_size) {
 		handle_t *handle;
 
+		if (IS_SWAPFILE(inode)) {
+			rc = -ETXTBSY;
+			goto err_out;
+		}
 		handle = ext3_journal_start(inode, 3);
 		if (IS_ERR(handle)) {
 			error = PTR_ERR(handle);